WO2015014902A9 - Ensemble d'éléments durcis et procédé de fabrication - Google Patents

Ensemble d'éléments durcis et procédé de fabrication Download PDF

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Publication number
WO2015014902A9
WO2015014902A9 PCT/EP2014/066410 EP2014066410W WO2015014902A9 WO 2015014902 A9 WO2015014902 A9 WO 2015014902A9 EP 2014066410 W EP2014066410 W EP 2014066410W WO 2015014902 A9 WO2015014902 A9 WO 2015014902A9
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
components
hardened
partially
joining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2014/066410
Other languages
German (de)
English (en)
Other versions
WO2015014902A1 (fr
Inventor
Andreas Breidenbach
Jörg GORSCHLÜTER
Michael BRÜGGENBROCK
Ralf Stegmeyer
René HAMPE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Steel Europe AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Steel Europe AG filed Critical ThyssenKrupp Steel Europe AG
Priority to CN201480043466.8A priority Critical patent/CN105452093A/zh
Priority to JP2016530521A priority patent/JP2016534932A/ja
Priority to US14/909,218 priority patent/US20160186280A1/en
Priority to KR1020167005314A priority patent/KR20160038023A/ko
Publication of WO2015014902A1 publication Critical patent/WO2015014902A1/fr
Publication of WO2015014902A9 publication Critical patent/WO2015014902A9/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/08—Seam welding not restricted to one of the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/04—Door pillars ; windshield pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/023—Assembly of structural joints
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/208—Deep-drawing by heating the blank or deep-drawing associated with heat treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2221/00—Treating localised areas of an article
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2251/00—Treating composite or clad material

Definitions

  • the invention relates to a method for producing an assembly comprising at least two joined metallic components, wherein at least one of the components consists of a tempering steel, in which the components are joined together using a thermal joining method to form an assembly.
  • the invention relates to an assembly comprising at least two joined metallic components, wherein at least one of the components consists of a tempering steel and the components are joined together using a thermal joining process to form an assembly.
  • Assemblies comprising at least two joined metallic components are commonly used to provide complex structures of metal, for example steel, which can not be produced integrally at all or only in a very complex manner.
  • the components are then thermally welded to form an assembly, so that a cohesive joint connection with a high load capacity is created between the joining partners.
  • tempering steels are used, which can be cured by a thermal treatment process, so that very high strength values can be provided.
  • Typical examples of such tempered steels are manganese-boron steels.
  • Dual-phase or TRIP steels can also be obtained by a heat treatment, which is a
  • Microstructure transformation to hardened structure has the consequence harden.
  • the cured components are welded after curing to form an assembly.
  • the welds between the components of the assembly lead in particular to the hardened materials to a renewed microstructure transformation and weakening in the region of the weld
  • the components have been greater in their wall thickness dimensioned, so that so far not the entire weight-saving potential of the high-strength materials used could be used.
  • Vehicle construction for example, in the provision of node areas of a vehicle structure is added that the node areas are often exposed to high forces, so that here the dimensioning of the wall thickness of the high-strength materials used is particularly critical. Due to the complex geometry of the nodal regions, however, one-piece production is often eliminated due to the necessary number of forming operations. In addition, many welds lead due to the heat input to a delay in the shell, which can be compensated only with high equipment cost.
  • Connection partner is press-hardened.
  • Complex assemblies such as node areas of a vehicle structure with a homogeneous
  • Load-bearing capacity can therefore not be provided with the known method, since only in the welding zones only significantly lower strengths can be provided.
  • the stated object is achieved in that the assembly is hardened in areas after joining, so that at least one of the joint connection of the assembly has at least partially hardened structure.
  • the assembly is first produced from the corresponding components by thermal joining and then subjected to curing in their entirety.
  • the existing joints are hardened, so that the assembly has a total homogeneous load-bearing capacity or a homogeneously distributed strength.
  • the weight reduction potential of the employed tempering steels for example of a manganese-boron steel, can be fully exploited by the inventive method, since in particular the
  • welding must be coordinated. According to the invention, namely, the welds at least partially hardened structure and thus contribute to the overall strength of the assembly. As a thermal joining process comes next to welding, such as inert gas welding, laser welding,
  • Laser hybrid also a soldering into consideration, as this, too, can reduce the strength of the joining partners due to the effect of heat and subsequent structural transformation.
  • the components can, for example, with overlap or in the
  • Butt joint by, for example, spot welding, step seams and / or
  • the components of the assembly are produced by at least one cold forming.
  • bending, deep-drawing, stretch-drawing, deep-drawing, embossing or molding with active media come into consideration as cold-forming processes.
  • the assembly prior to curing, is heated at least in regions to a temperature above the Aci temperature point, preferably above the Ac temperature point of the tempered steel to be hardened of a component of the group or all components of the group and cooled at a defined cooling rate, so that at least partially hardened structure is produced.
  • a temperature above the Aci temperature point preferably above the Ac temperature point of the tempered steel to be hardened of a component of the group or all components of the group and cooled at a defined cooling rate, so that at least partially hardened structure is produced.
  • the above-mentioned Temperature preferably above the Ac 3 temperature of the respective material present austenitic microstructure in martensitic microstructure, the strength of the assembly is significantly increased.
  • this also applies to the areas of
  • joining compounds which also form at least partially martensitic structure.
  • the welds thus have, as already stated, in this respect also high strength values.
  • Load adapted proportion of hardened structure is generated, which optionally varies in regions. This makes it possible to provide the module with different areas, which provide different strengths available and thus are optimally adapted to the application. For example, the application may require that the assembly must have a more ductile, softer region on the one hand and a high-strength region on the other hand. This is independent of the position of the respective joints between de
  • the strength of the assembly to be produced can be adjusted particularly precisely by hardening in a tempered curing tool with which partially varying cooling rates of the assembly are achieved by varying tool temperatures in certain regions.
  • a tempered curing tool with which partially varying cooling rates of the assembly are achieved by varying tool temperatures in certain regions.
  • the assembly to be produced may be heated differently in regions in order to set different strengths in the assembly, with areas where lower strengths are to be set, for example not above the Aci temperature point of the tempered steel to be hardened of a component of the group or of all Components of the group are heated.
  • the differently heated assembly is transferred to a curing tool and cured in the areas in which has formed by the heating austenic microstructure.
  • the assembly is hot-formed and / or calibrated during curing in the curing tool.
  • use is made of the fact that, for example, austenitic structure can be formed more easily at a temperature above the Aci temperature, preferably above the Ac temperature of the material in a warm state.
  • Deformations such as beads, embossing or other secondary features to introduce into the assembly.
  • an assembly with particularly small dimensional tolerances can be provided after curing.
  • the assembly is made by thermally joining at least one profile with another component.
  • Profiles in particular partially closed profiles, often have to be joined thermally in order to be used with other components, with the result that assemblies which have a profile connected by thermal joining to a further component particularly benefit from the method.
  • the assembly including joined profile can namely be provided in a simple manner with a homogeneous strength profile.
  • the Node areas of the profiles often represent the areas in which the
  • Joining joints are arranged and thus have influenced the dimensioning of the wall thicknesses of the node areas.
  • corresponding node areas are required in particular in motor vehicles.
  • the assembly is an A, B, or C pillar of a motor vehicle into which regions of varying strength are introduced by the curing step.
  • This makes it possible in a simple manner to adapt the assembly to the loads occurring in the application.
  • the roof area and the middle area of a B-pillar are provided with a structure of maximum strength, whereas a ductile B-pillar foot can absorb impact energy.
  • a possibility can be created to facilitate a separation of the assembly, for example a profile of the assembly, by creating a softer region of lesser strength in the assembly between two regions of hardened structure.
  • the soft, ductile region can be provided, for example, in a B-pillar, which can then be more easily separated by rescue workers in the event of an accident.
  • Produced frame structure of a motor vehicle in particular a node region of a roof frame consisting of a profile-like roof frame,
  • the roof frame must in particular in the
  • the above-described object is achieved by an assembly comprising at least two joined metallic components, wherein at least one of the components consists of a tempered steel and the components are joined together to form an assembly using a thermal joining method, in that the assembly has been hardened at least in regions after the joining and at least one joint has at least partially hardened structure.
  • the assembly according to the invention differs from the conventional
  • thermal joints which are produced by welding or soldering, in particular laser welding, are also provided by the subsequent curing process with a hardened structure. This means that even the joining zones can contribute to the desired load capacity.
  • the partial curing of the assembly is therefore performed, for example, component across, so that the areas of the joints and
  • this has at least one profile or a node region of at least two profiles.
  • Profiles at least partially closed or open profiles, are often used to absorb high forces. They are usually connected by thermal joints, in particular welds.
  • the node areas represent particularly heavily loaded areas, for example, of a vehicle frame structure, since in the nodal areas the forces of a plurality of profiles have to be absorbed and relayed, so that the provision of hardened microstructure in the
  • Joining compounds opens up a particularly large weight saving potential.
  • the assembly has between two Hardened areas on a soft area with lower strength.
  • This non-hardened area may be used, for example, to split a B-pillar in the event of an accident at this point to recover the occupants.
  • the assembly according to another embodiment, an A, B, or C-pillar of a motor vehicle and areas with varying strengths on.
  • A, B or C pillars of a motor vehicle have already been explained above.
  • this has at least one node region of a frame structure of a motor vehicle.
  • the node areas of a frame structure of a motor vehicle are subjected to particularly high forces.
  • the usually existing welds with reduced strengths are not present in the embodiment of the assembly according to the invention, so that a significant reduction of the wall thickness is possible with identical power capacity. This will be a big
  • FIG. 1 a first embodiment of an assembly consisting of three
  • FIG. 2 is a perspective view of a component of the assembly in a single view
  • 3 shows the embodiment of the assembly of Figure 1 in the installed state in the motor vehicle
  • Fig. 4 shows schematically the method steps of an embodiment of the method according to the invention for producing an assembly
  • Fig. 5 is a side view of a second embodiment of an assembly in the form of a B-pillar of a motor vehicle.
  • Fig. 1 is a perspective, schematic representation of a
  • Embodiment of an assembly comprising a closed profile 1, a connector 2 and an open profile 3 shown.
  • At least one of the components for example the closed profile 1 consists of a tempering steel and can be hardened by a heat treatment.
  • the components 1, 2 and 3 are the parts of a B-pillar and all consist of one
  • Tempered steel for example, from a boron alloy steel, preferably a steel type 22 MnB 5.
  • the components 1, 2 and 3 have been previously prepared by cold forming, for example, drawing, bending or by Wirkmedienumformung.
  • the use of semi-finished products made of multilayer metallic composite materials is also conceivable, with at least one of the layers in particular consisting of a heat-treatable steel.
  • the connecting piece 2 has both to the open profile 3 and to the closed profile 1 joining seams 4, 5, via which the connecting piece 2 connects the two profiles 3 and 1 together.
  • Fig. 2 shows once again the connector 2, which has been prepared for example as well as the profile 1 and the profile 3 by a cold forming.
  • Fig. 3 the assembly of Fig. 1 is shown schematically in its position in the motor vehicle.
  • the roof frame 6 displays with the module designed as a B-pillar the components 1, 2 and 3, a node region 7, which connects the roof frame 6 with the B-pillar consisting of the components 1, 2 and 3. Since the B-pillar shown in Fig. 3 has been produced by the method according to the invention, this preferably has a region consisting of hardened structure in the connection region to the roof frame 6.
  • FIG. 4 shows schematically the method steps A ', A, B, C and D of a
  • Embodiment of the method and the associated perspective views of an exemplary assembly in the form of a B-pillar First, in the method steps A, the assembly consisting of a closed profile 1, a connector 2 and an open profile 3 is thermally joined to a single assembly by a welding process. It is also conceivable to use a thermal soldering process. The assembly produced in this way is then subjected to heating in method step B, in which the assembly, in this example completely, is heated to a temperature above the Ac3 temperature point of the respective material. As a result, the structure of the assembly is completely converted into austenite. After insertion into the curing tool 8, the assembly is hot-worked according to process step C and rapidly cooled, so that in process step D, a fully cured assembly has been produced, the welds 4, 5 also have hardened structure.
  • the curing tool 8 which is shown only schematically, for example component cross-beads 2a and protrusions la are introduced into the closed profile 1 and press-hardened.
  • the joining seams which also have austenitic structure above the Ac3 temperature of the respective material, can be hardened in the hardening tool 8 by rapid cooling, for example at a cooling rate of more than 27 K / s for manganese-boron steels being transformed.
  • a calibration of the assembly takes place in method step C, so that in method step D a high-strength assembly with hardened joining seams can be made available.
  • the components 1, 2 and 3 can be deformed before their assembly by cold forming to the extent that these result in almost the final shape of the finished assembly, can be joined together.
  • FIG. 5 another embodiment of the assembly according to the invention is shown, which is also designed as a B-pillar.
  • the B-pillar 9 of FIG. 5 consists of the components 14, 15 and 16, which are connected to each other via the welds 17 and 18.
  • the assembly thus produced is then heated to a temperature above the Ac3 temperature of the component material in accordance with the teachings of the present invention.
  • the proportion of hardened microstructure can then be adapted to the present application over differently tempered areas.
  • the exemplary embodiment of an assembly shown in FIG. 5, independently of the position of the respective weld 17, 18, has component-overlapping regions 10, 11, 12 and 13, which in some cases have different fractions of hardened structure.
  • the regions 10 and 12 are preferably equipped with the highest possible proportion of hardened microstructure, so that these regions protect the occupants of a motor vehicle in the event of a side impact as well as possible due to their extremely high strength.
  • the B-pillar base 13 is usually made more ductile, which can be adjusted by an increased mold temperature in this area.
  • the lower cooling rate means that despite the heating to the Ac 3 temperature, there is no or only a small formation of hardened structure.
  • the area 11, which is arranged between the hardened areas 10 and 12, is also equipped with a soft or ductile structure, which also by the targeted adjustment of the
  • This area serves to make the B-pillar in In the event of an accident, it will be easier for the rescue If the area 11 of the B-pillar 9 is correspondingly small, the influence on the overall strength of the B-pillar 9 is small.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Body Structure For Vehicles (AREA)
  • Heat Treatment Of Articles (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un procédé servant à fabriquer un ensemble comportant au moins deux éléments métalliques assemblés. Au moins un des éléments est constitué d'un acier de traitement. Ledit procédé consiste à assembler les éléments les uns aux autres pour former un ensemble en utilisant un procédé d'assemblage thermique. L'invention concerne en complément un ensemble comportant au moins deux éléments métalliques assemblés. Au moins un des éléments est constitué d'un acier de traitement, et les éléments sont assemblés les uns aux autres pour former un ensemble en utilisant un procédé d'assemblage thermique. L'invention vise à proposer un procédé servant à fabriquer un ensemble comportant au moins deux éléments métalliques assemblés, lequel procédé permet d'ajuster de manière ciblée, en dépit des emplacements d'assemblage présents entre les divers éléments de l'ensemble, un ensemble correspondant présentant une solidité homogène et élevée. A cet effet, l'ensemble est durci par endroits après l'assemblage de sorte qu'au moins un assemblage de l'ensemble comporte une structure durcie au moins par endroits.
PCT/EP2014/066410 2013-08-01 2014-07-30 Ensemble d'éléments durcis et procédé de fabrication Ceased WO2015014902A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201480043466.8A CN105452093A (zh) 2013-08-01 2014-07-30 硬化部件的组件及生产方法
JP2016530521A JP2016534932A (ja) 2013-08-01 2014-07-30 硬化された部品のサブアセンブリおよび製造方法
US14/909,218 US20160186280A1 (en) 2013-08-01 2014-07-30 Assembly of hardened components and method for production
KR1020167005314A KR20160038023A (ko) 2013-08-01 2014-07-30 경화된 부품들의 어셈블리 및 제조 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013108265.3A DE102013108265B4 (de) 2013-08-01 2013-08-01 Baugruppe von gehärteten Bauteilen und Verfahren zur Herstellung
DE102013108265.3 2013-08-01

Publications (2)

Publication Number Publication Date
WO2015014902A1 WO2015014902A1 (fr) 2015-02-05
WO2015014902A9 true WO2015014902A9 (fr) 2015-05-21

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PCT/EP2014/066410 Ceased WO2015014902A1 (fr) 2013-08-01 2014-07-30 Ensemble d'éléments durcis et procédé de fabrication

Country Status (6)

Country Link
US (1) US20160186280A1 (fr)
JP (1) JP2016534932A (fr)
KR (1) KR20160038023A (fr)
CN (1) CN105452093A (fr)
DE (1) DE102013108265B4 (fr)
WO (1) WO2015014902A1 (fr)

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DE102014112740A1 (de) * 2014-09-04 2016-03-10 Voestalpine Stahl Gmbh B-Säule
DE102015116619B4 (de) 2015-09-30 2018-11-29 Thyssenkrupp Ag Herstellung von Halbzeugen und Strukturbauteilen mit bereichsweise unterschiedlichen Materialdicken
DE102016107048B4 (de) * 2016-04-15 2021-06-24 Saf-Holland Gmbh Rahmeneinheit
DE102016108836B4 (de) 2016-05-12 2018-05-24 Benteler Automobiltechnik Gmbh Kraftfahrzeugbauteil sowie Verfahren zu dessen Herstellung
CN106181240A (zh) * 2016-07-20 2016-12-07 中国科学院金属研究所 一种C‑Mn‑B系高强钢异形空心零件热挤胀差强淬火一体化工艺
DE102016116787B3 (de) * 2016-09-07 2017-10-05 Muhr Und Bender Kg B-Säule für eine Kraftfahrzeugkarosserie sowie Kraftfahrzeugkarosserie mit einer solchen B-Säule
JP6575015B2 (ja) * 2017-07-07 2019-09-18 本田技研工業株式会社 車体構造
JP6538133B2 (ja) * 2017-09-29 2019-07-03 本田技研工業株式会社 車体側部構造
EP4054777B1 (fr) * 2019-11-08 2023-09-13 Autotech Engineering S.L. Pièce de formation en tôle pour châssis de véhicule et procédé de production correspondant
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KR20160038023A (ko) 2016-04-06
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